Alcohol biomarkers in urine (292)

External quality assessment for ethyl glucuronid (U-EtG) and ethyl sulphate (U-EtS) in urine. The test material is freeze-dried urine with addition of U-EtG and U-EtS, two samples in each round.

Frequency: 6/year

Reports: Normally within one month from closing date.

Examinations
U-Ethyl glucuronide (EtG)
U-Ethyl sulphate (EtS)

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